Quote:
Originally Posted by LEAKYSEALS951
If you ride fast enough, the centrifugal force will make the air leave the valve stem and go back into the tube.
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I know that's meant to be funny (& it is) BUT I wonder if you'd actually be able to test that?
Imagine a really fast rotating bicycle wheel with a tiny camera mounted in such a way so it would record what's going on in the valve area.
Air has mass so it would be affected by centrifugal force but it would also be pulling a vacuum behind it. Would those two forces balance each other out? IMO the centrifugal force would be greater than vacuum up to a certain point.